δῠναστ-εύω,
hold power or lordship, be powerful or influential, [[ 5th c.BC: Herodotus Historicus 9.2, 5th-6th c.BC: Isocrates Orator 12.82, “OGI” 56.12, etc.] Refs 5th c.BC+]; τὸ-εῦον, opposed to δῆμος, [[ 5th c.BC: Thucydides Historicus 6.89; ἡ πόλις τῶν λοιπέων ἐδυνάστευε μέγιστον 5th c.BC: Herodotus Historicus 5.97 ] Refs 5th c.BC+]: with genitive, to be lord over, Οἰχαλίας [[ 1st c.BC: Diodorus Siculus Historicus 4.31: _metaphorically_, αἱ ἄλογοι ἡδοναὶ δ. ψυχῆς 1st c.AD: Philo Judaeus 1.19: with _dative_, 2nd c.AD: Athenaeus Epigrammaticus 14.624d ] Refs 1st c.BC+]: generally, prevail, be prevalent, of a wind, of climate, [[ 5th c.BC: Hippocrates Medicus “ἀφορισμοί” 3.5, “Aër.” 12 ] Refs 5th c.BC+]; to be influential, potent, ἐν τῷ σώματι [[ [prev. author] “VM” 16, compare 3rd c.BC: Herophilus Medicus cited in 2nd c.AD: Galenus Medicus 12.619] Refs 3rd c.BC+]:—passive, to be ruled, πρὸς μυρίων [[ 1st c.AD: Philo Judaeus 2.503. ] Refs 1st c.AD+]
__II in Mathematics texts, in passive, to be concerned with powers of numbers, [[ 5th-6th c.BC: Plato Philosophus “Respublica” 546b. ] Refs 5th c.BC+]